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-rw-r--r--include/sound/soc-dai.h209
-rw-r--r--include/sound/soc.h148
2 files changed, 211 insertions, 146 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
new file mode 100644
index 000000000000..08b8f7025c64
--- /dev/null
+++ b/include/sound/soc-dai.h
@@ -0,0 +1,209 @@
1/*
2 * linux/sound/soc-dai.h -- ALSA SoC Layer
3 *
4 * Copyright: 2005-2008 Wolfson Microelectronics. PLC.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Digital Audio Interface (DAI) API.
11 */
12
13#ifndef __LINUX_SND_SOC_DAI_H
14#define __LINUX_SND_SOC_DAI_H
15
16
17#include <linux/list.h>
18
19struct snd_pcm_substream;
20
21/*
22 * DAI hardware audio formats.
23 *
24 * Describes the physical PCM data formating and clocking. Add new formats
25 * to the end.
26 */
27#define SND_SOC_DAIFMT_I2S 0 /* I2S mode */
28#define SND_SOC_DAIFMT_RIGHT_J 1 /* Right Justified mode */
29#define SND_SOC_DAIFMT_LEFT_J 2 /* Left Justified mode */
30#define SND_SOC_DAIFMT_DSP_A 3 /* L data msb after FRM LRC */
31#define SND_SOC_DAIFMT_DSP_B 4 /* L data msb during FRM LRC */
32#define SND_SOC_DAIFMT_AC97 5 /* AC97 */
33
34/* left and right justified also known as MSB and LSB respectively */
35#define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J
36#define SND_SOC_DAIFMT_LSB SND_SOC_DAIFMT_RIGHT_J
37
38/*
39 * DAI Clock gating.
40 *
41 * DAI bit clocks can be be gated (disabled) when not the DAI is not
42 * sending or receiving PCM data in a frame. This can be used to save power.
43 */
44#define SND_SOC_DAIFMT_CONT (0 << 4) /* continuous clock */
45#define SND_SOC_DAIFMT_GATED (1 << 4) /* clock is gated */
46
47/*
48 * DAI Left/Right Clocks.
49 *
50 * Specifies whether the DAI can support different samples for similtanious
51 * playback and capture. This usually requires a seperate physical frame
52 * clock for playback and capture.
53 */
54#define SND_SOC_DAIFMT_SYNC (0 << 5) /* Tx FRM = Rx FRM */
55#define SND_SOC_DAIFMT_ASYNC (1 << 5) /* Tx FRM ~ Rx FRM */
56
57/*
58 * TDM
59 *
60 * Time Division Multiplexing. Allows PCM data to be multplexed with other
61 * data on the DAI.
62 */
63#define SND_SOC_DAIFMT_TDM (1 << 6)
64
65/*
66 * DAI hardware signal inversions.
67 *
68 * Specifies whether the DAI can also support inverted clocks for the specified
69 * format.
70 */
71#define SND_SOC_DAIFMT_NB_NF (0 << 8) /* normal bit clock + frame */
72#define SND_SOC_DAIFMT_NB_IF (1 << 8) /* normal bclk + inv frm */
73#define SND_SOC_DAIFMT_IB_NF (2 << 8) /* invert bclk + nor frm */
74#define SND_SOC_DAIFMT_IB_IF (3 << 8) /* invert bclk + frm */
75
76/*
77 * DAI hardware clock masters.
78 *
79 * This is wrt the codec, the inverse is true for the interface
80 * i.e. if the codec is clk and frm master then the interface is
81 * clk and frame slave.
82 */
83#define SND_SOC_DAIFMT_CBM_CFM (0 << 12) /* codec clk & frm master */
84#define SND_SOC_DAIFMT_CBS_CFM (1 << 12) /* codec clk slave & frm master */
85#define SND_SOC_DAIFMT_CBM_CFS (2 << 12) /* codec clk master & frame slave */
86#define SND_SOC_DAIFMT_CBS_CFS (3 << 12) /* codec clk & frm slave */
87
88#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f
89#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0
90#define SND_SOC_DAIFMT_INV_MASK 0x0f00
91#define SND_SOC_DAIFMT_MASTER_MASK 0xf000
92
93/*
94 * Master Clock Directions
95 */
96#define SND_SOC_CLOCK_IN 0
97#define SND_SOC_CLOCK_OUT 1
98
99struct snd_soc_dai_ops;
100struct snd_soc_dai;
101struct snd_ac97_bus_ops;
102
103/* Digital Audio Interface clocking API.*/
104int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
105 unsigned int freq, int dir);
106
107int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
108 int div_id, int div);
109
110int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
111 int pll_id, unsigned int freq_in, unsigned int freq_out);
112
113/* Digital Audio interface formatting */
114int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);
115
116int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
117 unsigned int mask, int slots);
118
119int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);
120
121/* Digital Audio Interface mute */
122int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute);
123
124/*
125 * Digital Audio Interface.
126 *
127 * Describes the Digital Audio Interface in terms of it's ALSA, DAI and AC97
128 * operations an capabilities. Codec and platfom drivers will register a this
129 * structure for every DAI they have.
130 *
131 * This structure covers the clocking, formating and ALSA operations for each
132 * interface a
133 */
134struct snd_soc_dai_ops {
135 /*
136 * DAI clocking configuration, all optional.
137 * Called by soc_card drivers, normally in their hw_params.
138 */
139 int (*set_sysclk)(struct snd_soc_dai *dai,
140 int clk_id, unsigned int freq, int dir);
141 int (*set_pll)(struct snd_soc_dai *dai,
142 int pll_id, unsigned int freq_in, unsigned int freq_out);
143 int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
144
145 /*
146 * DAI format configuration
147 * Called by soc_card drivers, normally in their hw_params.
148 */
149 int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt);
150 int (*set_tdm_slot)(struct snd_soc_dai *dai,
151 unsigned int mask, int slots);
152 int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
153
154 /*
155 * DAI digital mute - optional.
156 * Called by soc-core to minimise any pops.
157 */
158 int (*digital_mute)(struct snd_soc_dai *dai, int mute);
159};
160
161/*
162 * Digital Audio Interface runtime data.
163 *
164 * Holds runtime data for a DAI.
165 */
166struct snd_soc_dai {
167 /* DAI description */
168 char *name;
169 unsigned int id;
170 unsigned char type;
171
172 /* DAI callbacks */
173 int (*probe)(struct platform_device *pdev,
174 struct snd_soc_dai *dai);
175 void (*remove)(struct platform_device *pdev,
176 struct snd_soc_dai *dai);
177 int (*suspend)(struct platform_device *pdev,
178 struct snd_soc_dai *dai);
179 int (*resume)(struct platform_device *pdev,
180 struct snd_soc_dai *dai);
181
182 /* ops */
183 struct snd_soc_ops ops;
184 struct snd_soc_dai_ops dai_ops;
185
186 /* DAI capabilities */
187 struct snd_soc_pcm_stream capture;
188 struct snd_soc_pcm_stream playback;
189
190 /* DAI runtime info */
191 struct snd_pcm_runtime *runtime;
192 struct snd_soc_codec *codec;
193 unsigned int active;
194 unsigned char pop_wait:1;
195 void *dma_data;
196
197 /* DAI private data */
198 void *private_data;
199
200 /* parent codec/platform */
201 union {
202 struct snd_soc_codec *codec;
203 struct snd_soc_platform *platform;
204 };
205
206 struct list_head list;
207};
208
209#endif
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 3be17b3c650c..e4465f73aa46 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -151,76 +151,6 @@ enum snd_soc_bias_level {
151#define SND_SOC_DAI_PCM 0x4 151#define SND_SOC_DAI_PCM 0x4
152#define SND_SOC_DAI_AC97_BUS 0x8 /* for custom i.e. non ac97_codec.c */ 152#define SND_SOC_DAI_AC97_BUS 0x8 /* for custom i.e. non ac97_codec.c */
153 153
154/*
155 * DAI hardware audio formats
156 */
157#define SND_SOC_DAIFMT_I2S 0 /* I2S mode */
158#define SND_SOC_DAIFMT_RIGHT_J 1 /* Right justified mode */
159#define SND_SOC_DAIFMT_LEFT_J 2 /* Left Justified mode */
160#define SND_SOC_DAIFMT_DSP_A 3 /* L data msb after FRM or LRC */
161#define SND_SOC_DAIFMT_DSP_B 4 /* L data msb during FRM or LRC */
162#define SND_SOC_DAIFMT_AC97 5 /* AC97 */
163
164#define SND_SOC_DAIFMT_MSB SND_SOC_DAIFMT_LEFT_J
165#define SND_SOC_DAIFMT_LSB SND_SOC_DAIFMT_RIGHT_J
166
167/*
168 * DAI Gating
169 */
170#define SND_SOC_DAIFMT_CONT (0 << 4) /* continuous clock */
171#define SND_SOC_DAIFMT_GATED (1 << 4) /* clock is gated when not Tx/Rx */
172
173/*
174 * DAI Sync
175 * Synchronous LR (Left Right) clocks and Frame signals.
176 */
177#define SND_SOC_DAIFMT_SYNC (0 << 5) /* Tx FRM = Rx FRM */
178#define SND_SOC_DAIFMT_ASYNC (1 << 5) /* Tx FRM ~ Rx FRM */
179
180/*
181 * TDM
182 */
183#define SND_SOC_DAIFMT_TDM (1 << 6)
184
185/*
186 * DAI hardware signal inversions
187 */
188#define SND_SOC_DAIFMT_NB_NF (0 << 8) /* normal bclk + frm */
189#define SND_SOC_DAIFMT_NB_IF (1 << 8) /* normal bclk + inv frm */
190#define SND_SOC_DAIFMT_IB_NF (2 << 8) /* invert bclk + nor frm */
191#define SND_SOC_DAIFMT_IB_IF (3 << 8) /* invert bclk + frm */
192
193/*
194 * DAI hardware clock masters
195 * This is wrt the codec, the inverse is true for the interface
196 * i.e. if the codec is clk and frm master then the interface is
197 * clk and frame slave.
198 */
199#define SND_SOC_DAIFMT_CBM_CFM (0 << 12) /* codec clk & frm master */
200#define SND_SOC_DAIFMT_CBS_CFM (1 << 12) /* codec clk slave & frm master */
201#define SND_SOC_DAIFMT_CBM_CFS (2 << 12) /* codec clk master & frame slave */
202#define SND_SOC_DAIFMT_CBS_CFS (3 << 12) /* codec clk & frm slave */
203
204#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f
205#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0
206#define SND_SOC_DAIFMT_INV_MASK 0x0f00
207#define SND_SOC_DAIFMT_MASTER_MASK 0xf000
208
209
210/*
211 * Master Clock Directions
212 */
213#define SND_SOC_CLOCK_IN 0
214#define SND_SOC_CLOCK_OUT 1
215
216/*
217 * AC97 codec ID's bitmask
218 */
219#define SND_SOC_DAI_AC97_ID0 (1 << 0)
220#define SND_SOC_DAI_AC97_ID1 (1 << 1)
221#define SND_SOC_DAI_AC97_ID2 (1 << 2)
222#define SND_SOC_DAI_AC97_ID3 (1 << 3)
223
224struct snd_soc_device; 154struct snd_soc_device;
225struct snd_soc_pcm_stream; 155struct snd_soc_pcm_stream;
226struct snd_soc_ops; 156struct snd_soc_ops;
@@ -260,27 +190,6 @@ int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
260 struct snd_ac97_bus_ops *ops, int num); 190 struct snd_ac97_bus_ops *ops, int num);
261void snd_soc_free_ac97_codec(struct snd_soc_codec *codec); 191void snd_soc_free_ac97_codec(struct snd_soc_codec *codec);
262 192
263/* Digital Audio Interface clocking API.*/
264int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
265 unsigned int freq, int dir);
266
267int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
268 int div_id, int div);
269
270int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
271 int pll_id, unsigned int freq_in, unsigned int freq_out);
272
273/* Digital Audio interface formatting */
274int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt);
275
276int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
277 unsigned int mask, int slots);
278
279int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate);
280
281/* Digital Audio Interface mute */
282int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute);
283
284/* 193/*
285 *Controls 194 *Controls
286 */ 195 */
@@ -338,61 +247,6 @@ struct snd_soc_ops {
338 int (*trigger)(struct snd_pcm_substream *, int); 247 int (*trigger)(struct snd_pcm_substream *, int);
339}; 248};
340 249
341/* ASoC DAI ops */
342struct snd_soc_dai_ops {
343 /* DAI clocking configuration */
344 int (*set_sysclk)(struct snd_soc_dai *dai,
345 int clk_id, unsigned int freq, int dir);
346 int (*set_pll)(struct snd_soc_dai *dai,
347 int pll_id, unsigned int freq_in, unsigned int freq_out);
348 int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);
349
350 /* DAI format configuration */
351 int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt);
352 int (*set_tdm_slot)(struct snd_soc_dai *dai,
353 unsigned int mask, int slots);
354 int (*set_tristate)(struct snd_soc_dai *dai, int tristate);
355
356 /* digital mute */
357 int (*digital_mute)(struct snd_soc_dai *dai, int mute);
358};
359
360/* SoC DAI (Digital Audio Interface) */
361struct snd_soc_dai {
362 /* DAI description */
363 char *name;
364 unsigned int id;
365 unsigned char type;
366
367 /* DAI callbacks */
368 int (*probe)(struct platform_device *pdev,
369 struct snd_soc_dai *dai);
370 void (*remove)(struct platform_device *pdev,
371 struct snd_soc_dai *dai);
372 int (*suspend)(struct platform_device *pdev,
373 struct snd_soc_dai *dai);
374 int (*resume)(struct platform_device *pdev,
375 struct snd_soc_dai *dai);
376
377 /* ops */
378 struct snd_soc_ops ops;
379 struct snd_soc_dai_ops dai_ops;
380
381 /* DAI capabilities */
382 struct snd_soc_pcm_stream capture;
383 struct snd_soc_pcm_stream playback;
384
385 /* DAI runtime info */
386 struct snd_pcm_runtime *runtime;
387 struct snd_soc_codec *codec;
388 unsigned int active;
389 unsigned char pop_wait:1;
390 void *dma_data;
391
392 /* DAI private data */
393 void *private_data;
394};
395
396/* SoC Audio Codec */ 250/* SoC Audio Codec */
397struct snd_soc_codec { 251struct snd_soc_codec {
398 char *name; 252 char *name;
@@ -543,4 +397,6 @@ struct soc_enum {
543 void *dapm; 397 void *dapm;
544}; 398};
545 399
400#include <sound/soc-dai.h>
401
546#endif 402#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-27 03:02:15 -0500